High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZPN03 KNHC 250857
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON SEP 25 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0600 UTC MON SEP 25.
24 HOUR FORECAST VALID 0600 UTC TUE SEP 26.
48 HOUR FORECAST VALID 0600 UTC WED SEP 27.

.WARNINGS.

...TROPICAL STORM WARNING...

.TROPICAL STORM PILAR NEAR 22.2N 106.6W 1004 MB AT 0900 UTC SEP
25 MOVING NNW OR 340 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS TO 11 FT WITHIN 30 NM N
SEMICIRCLE. ELSEWHERE WITHIN 75 NM OF CENTER EXCEPT 60 NM SE
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. REMAINDER OF AREA
FROM 20N TO 23N E OF 108W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
MIXED SWELL.
.12 HOUR FORECAST TROPICAL DEPRESSION PILAR NEAR 22.8N 106.8W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 45 NM OF
CENTER WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 20.5N
TO 23.5N E OF 108.5W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
MIXED SWELL.
.24 HOUR FORECAST TROPICAL DEPRESSION PILAR NEAR 23.6N 107.1W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 45 NM OF
CENTER EXCEPT 30 NM S QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 9
FT. ELSEWHERE FROM 22N TO 24N E OF 108.5W WINDS 20 KT OR LESS.
SEAS 8 FT IN MIXED SWELL.
.36 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 13.5N126W 1010 MB. WITHIN 180 NM SE SEMICIRCLE SW
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 10N TO 17N
BETWEEN 122W AND 130W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED
SWELL.
.24 HOUR FORECAST LOW PRES NEAR 15.5N122W 1008 MB. WITHIN 330 NM
SW QUADRANT SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE
FROM 10N TO 16N BETWEEN 119W AND 128W WINDS 20 KT OR LESS. SEAS
TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES NEAR 13N122W 1009 MB. FROM 10N TO 13N
BETWEEN 116W AND 126W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED
SWELL.

.FROM 09N TO 13N BETWEEN 101W AND 113W WINDS 20 KT OR LESS. SEAS
TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 09N TO 12N BETWEEN 102W AND 107W WINDS 20
KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 10N TO 13N BETWEEN 94W AND 101W WINDS 20
KT OR LESS. SEAS TO 9 FT IN SW TO W SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 0830 UTC MON SEP 25...

.TROPICAL STORM PILAR...SCATTERED MODERATE ISOLATED STRONG NE
QUADRANT WITHIN 120 NM.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N74W TO 10N82W TO LOW PRES 1010 MB NEAR
13.5N91.5W TO 16N104W TO 13N117W TO LOW PRES 1010 MB NEAR
14N126W TO 11N135W TO BEYOND 12N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 01N TO 09N BETWEEN 77W AND 80W...FROM 06N
TO 10N BETWEEN 91W AND 110W AND FROM 12N TO 14N BETWEEN 121W AND
126W. SCATTERED MODERATE FROM 10N TO 14N BETWEEN 97W AND 104W
AND FROM 08N TO 11N BETWEEN 133W AND 138W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.